Command and control your army of white blood cells to fight off viruses and bacteria! Blast them with antibodies and destroy them before they destroy the body! Learn how the immune system works while having fun! Mobilize your immune system to battle dangerous pathogens.

Click on a cell type to activate it. Once activated, the cell can be controlled using the arrow or WASD keys.

Activated B cells (plasma cells) only: Press Spacebar to shoot antibodies at pathogens.

Killer T cells only: Press spacebar shoot perforin and cytotoxins at infected cells (only works once you are attached to them).